CyStack
Vietnam CyStack Joint Stock Company
Hanoi, Vietnam
About
Founded in 2017, CyStack is a cybersecurity company based in Hanoi, Vietnam working in threat intelligence, penetration testing, managed security +8 more.
CyStack is a cybersecurity company founded in 2017 in Hanoi, Vietnam. It provides penetration testing, blockchain audits, 24/7 monitoring and managed threat intelligence, alongside proprietary products including the CyStack Threat Intelligence platform, the Locker password manager, the WhiteHub bug bounty platform and CyStack Endpoint. Its services cover leaked credential and data monitoring, ransomware leak site tracking, source code and secrets exposure, and digital forensics. The company serves banks, fintechs, e-commerce platforms and government bodies across Vietnam, Southeast Asia and other markets, and reports protecting around 600 businesses. Its team includes researchers who disclose CVEs and present at conferences such as Black Hat, and it operates a bug bounty community of about 4,000 experts. CyStack holds ISO 9001, ISO/IEC 27001 and CREST accreditations.
Location
Founded
Legal name
Focus areas
Languages
Services & products
Security domains
How they deliver
Operations
Products
CyStack Threat Intelligence
ViewThreat Intelligence Platform
Detects leaked credentials, session cookies, API tokens, payment cards, source code and confidential documents from underground markets, stealer logs, paste sites and ransomware leak sites. Available self-service or managed.
Locker
ViewPassword manager
Multi-platform password manager with AES-256 encryption and FIDO2 passwordless authentication support.
WhiteHub
ViewBug bounty platform
Bug bounty platform connecting organisations with a community of security researchers to find and fix vulnerabilities.
CyStack Endpoint
Endpoint management
Manages and protects devices across an organisation.
Web Security
Web vulnerability scanner
Automated tool that simulates security engineers' tests to protect web applications.
Customers
Industries served
Compliance & partners
Compliance frameworks
Technology partners
Credentials & affiliations
Certifications
ISO 9001
ISO/IEC 27001
CREST Penetration Testing
Awards
Sao Khue Award 2025 (WhiteHub, five-star ranking)
Chìa Khóa Vàng 2021 (Web Security and Locker)